Some good news. After having cleaned the tank and let it stand for 2 days, the swelling has gone back almost completely. The white gasket is still very slightly deformed around the center chimney, but the tank holds its vacuum again.

(09-08-2018, 07:37 AM)tailland Wrote: Some good news. After having cleaned the tank and let it stand for 2 days, the swelling has gone back almost completely. The white gasket is still very slightly deformed around the center chimney, but the tank holds its vacuum again.

Thats good to know. Maybe soaking in neat PG would help if it happens again.